| 急斜煤层综放开采中固-液-气耦合作用模拟试验 |
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| 引用本文： | 曹建涛,来兴平,张坤,崔峰,魏引尚.急斜煤层综放开采中固-液-气耦合作用模拟试验[J].煤炭科学技术,2010,38(2). |
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| 作者姓名： | 曹建涛 来兴平 张坤 崔峰 魏引尚 |
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| 作者单位： | 西安科技大学,能源学院,陕西,西安,710054;教育部西部矿井开采及灾害防治重点实验室,陕西,西安,710054 |
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| 基金项目： | 国家自然科学基金资助项目(10772144,10402033);;陕西省重点实验室重点资助项目(09JS018) |
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| 摘 要： | 为了揭示急斜煤层综放开采围岩运动规律、注水弱化效果和气体迁移规律,保障急斜煤层综放安全开采。采用固-液-气三相介质物理相似模拟装置及声发射(Acoustic Emission,AE)测试系统,分析急斜煤层综放开采过程中煤-水-瓦斯三相介质耦合作用与AE之间的内在规律,揭示了急斜煤层综放开采中,煤-水-瓦斯三相介质运动规律和煤岩失稳3种判别模式,为现场安全开采提供理论依据。
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| 关 键 词： | 急斜煤层 固-液-气模拟试验 耦合作用 声发射特征 |
Simulation Experiment on Solid-Liquid-Gas Coupling Function in Fully Mechanized Top Coal Caving Mining in Steep Inclined Seam |
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| CAO Jian-tao,LAI Xing-ping,ZHANG Kun,CUI Feng,WEI Yin-shang.Simulation Experiment on Solid-Liquid-Gas Coupling Function in Fully Mechanized Top Coal Caving Mining in Steep Inclined Seam[J].Coal Science and Technology,2010,38(2). |
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| Authors: | CAO Jian-tao LAI Xing-ping ZHANG Kun CUI Feng WEI Yin-shang |
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| Affiliation: | 1.School of Energy/a>;Xi'an University of Science and Technology/a>;Xi'an 710054/a>;China/a>;2.Ministry of Education's Key Lab of Western Mining and Disaster Prevention and Control/a>;China |
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| Abstract: | In order to reveal the surrounding rock movement law of the fully mechanized top coal caving mining in the steep inclined seam,in seam water injection weakening results,gas migration law and to ensure the fully mechanized top coal safety caving mining in the steep inclined seam,the solid-liquid-gas three phases simulation device and the acoustic emission(AE)measurement system were applied to analyze the inherent law between the solid-liquid-gas three phases medium coupling function and AE in the fully mecha... |
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| Keywords: | steep inclined seam solid-liquid-gas simulation experiment coupling function acoustic emission features |
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